private static double CalculateSingleEdgeLowerBound(
ShapeModel model, ShapeConstraints shapeConstraints, IList <ILengthAngleConstraints> lengthAngleConstraints)
{
// TODO: support models with multiple edges but without pairwise constraints
Debug.Assert(model.Structure.Edges.Count == 1);
Debug.Assert(lengthAngleConstraints.Count == 1);
double result;
// Calculate best possible edge width penalty
EdgeConstraints edgeConstraints = shapeConstraints.EdgeConstraints[0];
ShapeEdgeParams edgeParams = model.GetEdgeParams(0);
Range lengthBoundary = lengthAngleConstraints[0].LengthBoundary;
Range scaledLengthRange = new Range(lengthBoundary.Left * edgeParams.WidthToEdgeLengthRatio, lengthBoundary.Right * edgeParams.WidthToEdgeLengthRatio);
Range widthRange = new Range(edgeConstraints.MinWidth, edgeConstraints.MaxWidth);
if (scaledLengthRange.IntersectsWith(widthRange))
{
result = 0;
}
else
{
result = model.CalculateEdgeWidthEnergyTerm(0, widthRange.Right, lengthBoundary.Left);
result = Math.Min(result, model.CalculateEdgeWidthEnergyTerm(0, widthRange.Left, lengthBoundary.Right));
}
return(result);
}
private static double CalculateMinUnaryEdgeEnergy(int edgeIndex, ShapeModel model, ShapeConstraints shapeConstraints, double edgeLength)
{
double bestWidth = edgeLength * model.GetEdgeParams(edgeIndex).WidthToEdgeLengthRatio;
EdgeConstraints edgeConstraints = shapeConstraints.EdgeConstraints[edgeIndex];
bestWidth = MathHelper.Trunc(bestWidth, edgeConstraints.MinWidth, edgeConstraints.MaxWidth);
return(model.CalculateEdgeWidthEnergyTerm(edgeIndex, bestWidth, edgeLength));
}
private static double CalculateSingleEdgeLowerBound(
ShapeModel model, ShapeConstraints shapeConstraints, IList<ILengthAngleConstraints> lengthAngleConstraints)
{
// TODO: support models with multiple edges but without pairwise constraints
Debug.Assert(model.Structure.Edges.Count == 1);
Debug.Assert(lengthAngleConstraints.Count == 1);
double result;
// Calculate best possible edge width penalty
EdgeConstraints edgeConstraints = shapeConstraints.EdgeConstraints[0];
ShapeEdgeParams edgeParams = model.GetEdgeParams(0);
Range lengthBoundary = lengthAngleConstraints[0].LengthBoundary;
Range scaledLengthRange = new Range(lengthBoundary.Left * edgeParams.WidthToEdgeLengthRatio, lengthBoundary.Right * edgeParams.WidthToEdgeLengthRatio);
Range widthRange = new Range(edgeConstraints.MinWidth, edgeConstraints.MaxWidth);
if (scaledLengthRange.IntersectsWith(widthRange))
result = 0;
else
{
result = model.CalculateEdgeWidthEnergyTerm(0, widthRange.Right, lengthBoundary.Left);
result = Math.Min(result, model.CalculateEdgeWidthEnergyTerm(0, widthRange.Left, lengthBoundary.Right));
}
return result;
}
private static double CalculateMinUnaryEdgeEnergy(int edgeIndex, ShapeModel model, ShapeConstraints shapeConstraints, double edgeLength)
{
double bestWidth = edgeLength * model.GetEdgeParams(edgeIndex).WidthToEdgeLengthRatio;
EdgeConstraints edgeConstraints = shapeConstraints.EdgeConstraints[edgeIndex];
bestWidth = MathHelper.Trunc(bestWidth, edgeConstraints.MinWidth, edgeConstraints.MaxWidth);
return model.CalculateEdgeWidthEnergyTerm(edgeIndex, bestWidth, edgeLength);
}